Revert "trans: do not remove any message"

If we recieve data too fast, the Handler will be blocked due
to too many message instances.

Revert previous commit for better performance

This reverts commit e5537f669b054184362e40aaef003b6739b73c63.
relrease version 0.2

the version code is 3 since we have a release 0.1.1